↑ ↑ ↑ - yeah I noticed that too. I wondered if it was something to do with autostarting the Version 3.x server, which is something I don't do.
@
K8HW - Did you try DaltonST's suggestions in post#19,
Your problem has the hallmarks of a 3rd party program 'intervening', if you haven't already done so, try one or both of these techniques to isolate the culprit:
- use Task Manager to disable all Start-up Tasks and then run calibre 3.18,
- run calibre 3.18 under Windows in Safe Mode.
BR